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74F251ASC on a board, in 3D

74F251ASC

onsemi

0℃~+70℃ 16mA 24mA 3mA 4.5V~5.5V 5ns@5V,50pF 74F Output enable high-impedance、Tri-state output Single Supply SOIC-16 Signal Switches, Multiplexers, Decoders ROHS

Extended
DatasheetJLCPCBLCSConsemi/74F251ASC
Category
Signal Switches, Multiplexers, Decoders
Package
SOIC-16
Pins
5

Overview

The 74F251ASC is a signal Switches, Multiplexers, Decoder made by onsemi in a SOIC-16 package with 16 pins. 0℃~+70℃ 16mA 24mA 3mA 4.5V~5.5V 5ns@5V,50pF 74F Output enable high-impedance、Tri-state output Single Supply SOIC-16 Signal Switches, Multiplexers, Decoders ROHS.

PCBKit's library has its KiCad symbol (74xx:74LS251, from KiCad's library) and its footprint (Package_SO:SO-16_3.9x9.9mm_P1.27mm, from KiCad's library), ready for a KiCad board. JLCPCB lists it (part C3234455).

Symbol

I31I22I13I04Y5Y6OE7GND8S29S110S011I712I613I514I415VCC16
74xx:74LS251From KiCad's library

Footprint

12345678910111213141516
Package_SO:SO-16_3.9x9.9mm_P1.27mmFrom KiCad's library

Parameters

9
Current - Output High(IOH)
3mA
Current - Output Low(IOL)
24mA
Function
Tri-state output；Output enable high-impedance
Operating temperature
0℃~+70℃
Propagation Delay
5ns@5V,50pF
Quiescent Current
16mA
Series
74F
Voltage - Supply
4.5V~5.5V
Voltage Supply Source
Single Supply

Order codes

1

Pinout

16
The pins of the 74F251ASC
PinNameType
1I3Input
2I2Input
3I1Input
4I0Input
5YTri-state
6YTri-state
7OEInput
8GNDPower in
9S2Input
10S1Input
11S0Input
12I7Input
13I6Input
14I5Input
15I4Input
16VCCPower in

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Questions

Is there a KiCad symbol and footprint for the 74F251ASC?

Yes. The symbol is 74xx:74LS251 and the footprint Package_SO:SO-16_3.9x9.9mm_P1.27mm, both drawn on this page. PCBKit places them on a board for you when you design with it.

What package is the 74F251ASC?

SOIC-16, with 16 pins. Its footprint is drawn on this page.

Where is the 74F251ASC datasheet?

onsemi publishes it: the Datasheet link on this page opens it.

Where can I order the 74F251ASC?

JLCPCB lists it as part C3234455, with 0 in stock; the sellers' links on this page open their listings.

What can replace the 74F251ASC?

Parts like it in the library: the 74HC138D by Nexperia, the EM74HC138D by EnergyMath, the CD4028BM(LX) by lingxingic and the CJ74HC157AEN by Jiangsu Changjing Electronics Technology (CJ). Check their datasheets: a part that fits the footprint may still differ in its ratings.

Parts like it

8